| Year | 1984 |
| Date | 20-Jul |
| Volume | 153 |
| Issue | 3,733 |
| Page | 89 |
| Category | Keith's Column |
| Part | |
| Title | "Ariel" research. Matters arising. Mathematical couple. Less "Swindon is Good for You". Notching up slip eccentrics. Mallard. Wheel tread coning. Odometers. |
| Author | Keith Wilson |
| Notes |